CN117463938A - Squeeze riveter with transverse positioning platform - Google Patents
Squeeze riveter with transverse positioning platform Download PDFInfo
- Publication number
- CN117463938A CN117463938A CN202311831781.4A CN202311831781A CN117463938A CN 117463938 A CN117463938 A CN 117463938A CN 202311831781 A CN202311831781 A CN 202311831781A CN 117463938 A CN117463938 A CN 117463938A
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- Prior art keywords
- sheet metal
- positioning rod
- metal part
- positioning
- rod
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- 239000002184 metal Substances 0.000 claims abstract description 114
- 238000003860 storage Methods 0.000 claims description 64
- 230000001502 supplementing effect Effects 0.000 claims description 58
- 239000000314 lubricant Substances 0.000 claims description 43
- 238000003825 pressing Methods 0.000 claims description 28
- 230000005540 biological transmission Effects 0.000 claims description 21
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 claims description 2
- 230000001050 lubricating effect Effects 0.000 claims 2
- 230000002035 prolonged effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 11
- 238000005461 lubrication Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
- B21J15/42—Special clamping devices for workpieces to be riveted together, e.g. operating through the rivet holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
- B21J15/44—Rivet hole positioners
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N19/00—Lubricant containers for use in lubricators or lubrication systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/14—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means
Abstract
The utility model relates to riveting equipment, and discloses a riveting machine with a transverse positioning platform, wherein a first positioning mechanism used for limiting the position of a sheet metal part in the x-axis direction and a second positioning mechanism used for limiting the position of the sheet metal part in the y-axis direction are arranged on a workbench. Then, the rod body of the second positioning rod is abutted against the other side edge of the sheet metal part template, and the reference positioning of the first positioning mechanism and the second positioning mechanism can be completed. At this time, when riveting the sheet metal component of same specification, only need support the side of sheet metal component in the shaft of first locating lever and second locating lever respectively, just can accomplish the hole site calibration of sheet metal component automatically. Therefore, the operation efficiency can be improved, and the energy loss of workers in hole alignment can be reduced, so that the hole alignment precision is improved.
Description
Technical Field
The utility model relates to riveting equipment, in particular to a riveting machine with a transverse positioning platform.
Background
The press riveting is a riveting method for upsetting a rivet rod to form an upsetting head by utilizing static pressure generated by a press riveting machine. The riveting piece of the press riveting has the characteristics of good surface quality, small deformation and high connection strength. Therefore, in actual operation, press riveting is preferably adopted as long as the structural manufacturability allows. The utility model patent publication No. CN218639030U discloses a squeeze riveter, wherein the table surface of a workbench is penetrated with a perforation for the squeeze riveter to penetrate, a plurality of penetrating holes are distributed on the periphery of the perforation and are internally and slidably provided with a telescopic table, the upper end surface of the telescopic table is provided with a ball groove, a ball is clamped in the ball groove in a rolling way, and a driving mechanism connected to the lower end surface of the telescopic table is arranged below each penetrating hole to drive the telescopic table to perform reciprocating linear motion in the vertical direction. According to the riveting press, when the riveting press is used for feeding, all the telescopic tables are synchronously driven to the upper table surface beyond the workbench by the driving mechanism, so that the rolling plane is formed by the balls on all the telescopic tables above the workbench, and the sheet metal part placed on the workbench can be easily and freely translated. After the hole site calibration between the preset hole and the riveting die on the sheet metal part is completed, the telescopic table and the ball are retracted into the through hole synchronously by virtue of the driving mechanism again, so that the sheet metal part can be lowered to the upper table surface of the workbench, the horizontal position of the sheet metal part is limited by utilizing the dead weight of the sheet metal part, and the riveting work can be completed smoothly. After the riveting work is completed, the sheet metal part is lifted from the workbench by virtue of the driving mechanism again, so that the sheet metal part is easily detached from the workbench by virtue of the balls on the telescopic table. In the whole process, the feeding and discharging of the sheet metal part are simpler and quicker, and meanwhile, in the press riveting process, the press riveting head can be kept vertical to the sheet metal part, so that the machining precision and quality of a product are greatly improved.
According to the riveting press, hole site calibration needs to be carried out once before riveting operation is carried out every time, so that the operation efficiency is affected, the effort of workers in hole alignment is consumed, the hole alignment precision is easy to reduce after long time, and therefore improvement is still needed.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the squeeze riveter with the transverse positioning platform, which only needs to calibrate the hole site once when the sheet metal parts with the same specification are squeeze-riveted, thereby improving the operation efficiency, reducing the energy loss of workers when the workers perform hole alignment and improving the hole alignment precision.
In order to solve the technical problems, the utility model is solved by the following technical scheme:
the utility model provides a squeeze riveter with horizontal location platform, includes the workstation that is used for the horizontal place sheet metal component, defines two mutually perpendicular directions on the workstation horizontal plane and is x axis direction and y axis direction respectively, is provided with on the workstation and is used for prescribing a limit to sheet metal component position in x axis direction first positioning mechanism and is used for prescribing a limit to sheet metal component position in y axis direction second positioning mechanism; the first positioning mechanism comprises a first positioning rod which is arranged above the workbench along the y-axis direction and is abutted against the side edge of the sheet metal part through the rod body, and a first driving component which is arranged on the workbench and is used for driving the first positioning rod to advance or retreat along the x-axis direction; the second positioning mechanism comprises a second positioning rod arranged on the first positioning rod along the x-axis direction so as to be abutted against the side edge of the sheet metal part through the rod body, and a second driving assembly arranged on the first positioning rod so as to drive the second positioning rod to advance or retreat along the y-axis direction.
By adopting the scheme, after the sheet metal part template horizontally placed on the workbench is calibrated, the position of the first positioning rod in the x-axis direction is adjusted through the first driving assembly until the rod body of the first positioning rod abuts against the side edge of the sheet metal part template. And then, the second positioning rod is adjusted to be positioned in the y-axis direction through the second driving assembly until the rod body of the second positioning rod abuts against the other side edge of the sheet metal part template, so that the reference positioning of the first positioning mechanism and the second positioning mechanism can be completed. At this time, when riveting the sheet metal component of same specification, only need support the side of sheet metal component in the shaft of first locating lever and second locating lever respectively, just can accomplish the hole site calibration of sheet metal component automatically. Therefore, the operation efficiency can be improved, and the energy loss of workers in hole alignment can be reduced, so that the hole alignment precision is improved.
Preferably, the first driving assembly comprises first driving blocks respectively arranged at two ends of the first positioning rod, first screw rods respectively arranged at two sides of the workbench and respectively in threaded fit with the two first driving blocks, and first power sources for driving the first screw rods to circumferentially rotate, and when the first power sources drive the first screw rods to rotate, the first screw rods drive the first driving blocks to horizontally move along the x-axis direction.
By adopting the scheme, the first power source drives the first screw rod to circumferentially rotate and can be converted into the reciprocating linear motion of the first driving block along the length direction of the first screw rod. Not only promote the stability when first locating lever translates, can also increase translation precision.
Preferably, the second driving assembly comprises a second driving block connected to the second positioning rod and arranged above the first positioning rod, a guide rail arranged above the first positioning rod along the y-axis direction, a guide groove formed in the bottom of the second driving block and slidably clamped to the guide rail so that the second driving block can slidably move along the guide rail, a second screw rod arranged above the first positioning rod along the y-axis direction and in threaded fit with the second driving block, and a second power source arranged on the first positioning rod so as to drive the second screw rod to circumferentially rotate, wherein the second power source drives the second screw rod to rotate, and the second screw rod drives the second driving block to horizontally move along the y-axis direction.
By adopting the scheme, the second power source drives the second screw rod to circumferentially rotate, and the second power source can be converted into the reciprocating linear motion of the second driving block along the length direction of the second screw rod. Not only promote the stability when the translation of second locating lever, can also increase translation precision. The sliding clamping fit between the guide groove and the guide rail can prevent the second driving block from separating from the first positioning rod, and can further improve the stability and smoothness of the second driving block and the second positioning rod during translation.
Preferably, the table top of the workbench is provided with a plurality of through holes, a telescopic table capable of moving up and down is arranged in the through holes, the upper end surface of the telescopic table is provided with a ball groove, and balls are clamped in the ball groove in a rolling way.
By adopting the scheme, when the squeeze riveter is used for feeding, all the telescopic tables are synchronously driven to the upper table surface beyond the workbench, so that the rolling plane is formed by the balls on all the telescopic tables above the workbench, and the sheet metal part placed on the workbench can be easily and freely translated. After the hole site calibration between the preset hole and the riveting die on the sheet metal part is completed, the telescopic table and the ball are retracted into the through hole again, so that the sheet metal part can be lowered to the upper table surface of the workbench, the horizontal position of the sheet metal part is limited by utilizing the dead weight of the sheet metal part, and the riveting work can be completed smoothly. After the riveting work is completed, the sheet metal part is lifted from the workbench through the telescopic table again, so that the sheet metal part is easily detached from the workbench by means of the balls on the telescopic table. In the whole process, the feeding and discharging of the sheet metal part are simpler and quicker, and meanwhile, in the press riveting process, the press riveting head can be kept vertical to the sheet metal part, so that the machining precision and quality of a product are greatly improved.
Preferably, after the telescopic table extends upwards, the top of the ball is located below the first locating rod and the second locating rod.
By adopting the scheme, the first positioning rod and the second positioning rod can be effectively prevented from interfering with the extending telescopic table and the balls in the translation process, so that the safety of the equipment in operation is ensured.
Preferably, a plurality of lubrication assemblies are arranged on one side of the first positioning rod and one side of the second positioning rod, which are used for abutting against the sheet metal part, along the respective length directions at intervals, and each lubrication assembly comprises a support block arranged on the rod body of the first positioning rod or the second positioning rod, a mounting groove formed in the support block and used for abutting against one side of the sheet metal part, and a flexible oil storage part arranged in the mounting groove and adsorbed with a lubricant, wherein one side of the flexible oil storage part, which is close to the sheet metal part, protrudes out of the side of the support block, which is close to the sheet metal part; when the side edge of the sheet metal part horizontally placed on the workbench abuts against the supporting block, the flexible oil storage part abuts against the side edge of the sheet metal part and releases the lubricant so as to lubricate the side edge of the sheet metal part.
By adopting the scheme, the sheet metal part horizontally placed on the workbench is abutted against the supporting blocks on the first positioning rod and the second positioning rod under the condition that the telescopic table stretches out, and the side edge of the sheet metal part can extrude the flexible oil storage part on the supporting blocks, so that the flexible oil storage part releases the adsorbed lubricant, and the side edge of the sheet metal part is lubricated. After the telescopic table contracts, the sheet metal part descends along with the telescopic table, and the lubricant can effectively reduce friction between the side edge of the sheet metal part and the supporting block, so that the sheet metal part is prevented from being worn in the descending process.
Preferably, the flexible oil storage part is internally inserted with a supporting rod, and two ends of the supporting rod respectively penetrate through two opposite side walls in the mounting groove.
By adopting the scheme, the two ends of the supporting rod penetrate through the two side walls of the mounting groove respectively, so that the flexible oil storage part can be conveniently detached and replaced, and the stability of the flexible oil storage part after being mounted can be improved.
Preferably, an oil supplementing cavity transversely extends from one side of the mounting groove far away from the sheet metal part, an oil supplementing roller is rotatably arranged in the oil supplementing cavity, the outer peripheral surface of the oil supplementing roller is propped against one side of the flexible oil storage part far away from the sheet metal part, an oil storage box for storing lubricant is arranged on the upper surface of the support block corresponding to the position of the oil supplementing cavity, a drainage tube downwards extends from the bottom of the oil storage box, a lower tube orifice of the drainage tube is sealed and attached to the outer peripheral surface of the oil supplementing roller, the oil supplementing groove is distributed on the outer peripheral surface of the oil supplementing roller and on the part in the lower tube orifice of the drainage tube, and a third driving assembly for driving the oil supplementing roller to circumferentially rotate is arranged on the support block;
when the oil supplementing groove is positioned in the lower pipe orifice of the drainage pipe, the lubricant in the oil storage box can be filled into the oil supplementing groove through the drainage pipe; when the third driving assembly drives the oil supplementing roller to rotate 90 degrees, so that the oil supplementing groove is transferred from the lower pipe orifice of the drainage pipe to a state of pressing against the flexible oil storage piece, and the lubricant filled in the oil supplementing groove can be adsorbed by the flexible oil storage piece so as to supplement the lubricant for the flexible oil storage piece; when the third driving assembly drives the oil supplementing roller to reset, the oil supplementing groove is transferred into the lower pipe orifice of the drainage pipe again, and the lower pipe orifice of the drainage pipe is sealed by the outer peripheral surface of the oil supplementing roller again.
By adopting the scheme, the third driving assembly drives the oil supplementing roller to rotate by 90 degrees, so that the lubricant in the flexible oil storage part can be quantitatively supplemented. Not only can prevent the lubricant in the flexible oil storage part from being lost, but also can avoid the lubricant adsorbed by the flexible oil storage part from overflowing in a large amount, thereby avoiding causing waste and ensuring the neatness of the workbench.
Preferably, the third driving assembly comprises a transmission shaft coaxially connected with the oil supplementing roller and extending outside the supporting block, and a third power source arranged on the upper surface of the supporting block, wherein the power output end of the third power source is connected with the transmission shaft through a gear set.
By adopting the scheme, the third power source, the gear set and the transmission shaft are matched, so that the precision and stability of the third driving assembly when driving the oil supplementing roller to rotate can be improved, and the supplementing efficiency of the lubricant in the flexible oil storage part is improved.
Preferably, one side of the supporting block far away from the sheet metal part is abutted against the rod body of the first positioning rod or the second positioning rod, the two ends of the supporting block are respectively provided with guide holes, the rod body of the first positioning rod or the rod body of the second positioning rod is respectively provided with guide posts which are respectively in sliding connection with the two guide holes, one end of each guide post close to the sheet metal part is provided with an anti-drop piece for preventing the guide holes from separating from the guide posts, one side of the supporting block is provided with an abutting plate abutted against the rod body of the first positioning rod or the rod body of the second positioning rod, an abutting surface of the abutting plate is provided with a pressure sensor for detecting the abutting pressure of the abutting plate to output a pressure signal, a controller for receiving the pressure signal is coupled to the pressure sensor, and a third power source is coupled and controlled by the controller, and a pressure threshold value, a quantity threshold value and a reference time length are preset in the controller;
when the pressure sensor detects that the pressing force of the corresponding pressing plate is larger than the pressure threshold, the controller counts once, and when the counted quantity is equal to the quantity threshold, the controller controls the third power source to operate, so that the third power source drives the oil supplementing roller to rotate 90 degrees through the gear set and the transmission shaft, and the oil supplementing groove is transferred from the lower pipe orifice of the drainage pipe to the state of pressing the flexible oil storage piece; after the reference time length of time delay, the controller controls the third power source to reversely run so that the third power source drives the oil supplementing roller to reset through the gear set and the transmission shaft, and meanwhile the controller empties the accumulated number and restarts counting.
By adopting the scheme, after the supporting blocks on the first positioning rod or the second positioning rod are extruded for a preset number of times, the third driving assembly can automatically drive the oil supplementing roller to rotate so as to realize automatic supplement of the lubricant, thereby saving the trouble of manually and frequently supplementing the lubricant.
The utility model has the remarkable technical effects due to the adoption of the technical scheme: after the sheet metal part template horizontally placed on the workbench is calibrated in hole position, the position of the first positioning rod in the x-axis direction is adjusted through the first driving assembly until the rod body of the first positioning rod abuts against the side edge of the sheet metal part template. And then, the second positioning rod is adjusted to be positioned in the y-axis direction through the second driving assembly until the rod body of the second positioning rod abuts against the other side edge of the sheet metal part template, so that the reference positioning of the first positioning mechanism and the second positioning mechanism can be completed. At this time, when riveting the sheet metal component of same specification, only need support the side of sheet metal component in the shaft of first locating lever and second locating lever respectively, just can accomplish the hole site calibration of sheet metal component automatically. Therefore, the operation efficiency can be improved, and the energy loss of workers in hole alignment can be reduced, so that the hole alignment precision is improved.
Drawings
Fig. 1 is a schematic diagram of the first embodiment;
fig. 2 is a second schematic structural diagram of the present embodiment;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
FIG. 4 is an enlarged schematic view of portion B of FIG. 2;
FIG. 5 is an enlarged schematic view of portion C of FIG. 2;
fig. 6 is a schematic diagram III of the structure of the present embodiment;
FIG. 7 is a schematic view showing the structure of a lubrication assembly according to the present embodiment;
fig. 8 is a schematic diagram of a fourth embodiment;
fig. 9 is a schematic view showing a state in which the oil replenishing roller is rotated by 90 ° in the present embodiment;
FIG. 10 is an enlarged schematic view of portion D of FIG. 6;
fig. 11 is a system architecture diagram of the present embodiment.
The names of the parts indicated by the numerical reference numerals in the above drawings are as follows: 1. a work table; 2. a first positioning mechanism; 3. a second positioning mechanism; 4. a first positioning rod; 5. a first drive assembly; 6. a second positioning rod; 7. a second drive assembly; 8. a first driving block; 9. a first screw rod; 10. a first power source; 11. a second driving block; 12. a guide rail; 13. a guide groove; 14. a second screw rod; 15. a second power source; 16. a through hole; 17. a telescoping table; 18. a ball groove; 19. a ball; 20. a lubrication assembly; 21. a support block; 22. a mounting groove; 23. a flexible oil reservoir; 24. a support rod; 25. an oil supplementing cavity; 26. an oil supplementing roller; 27. an oil storage box; 28. a drainage tube; 29. an oil supplementing groove; 30. a third drive assembly; 31. a transmission shaft; 32. a third power source; 33. a gear set; 34. a guide hole; 35. a guide post; 36. an anti-falling member; 37. a pressing plate; 38. a pressure sensor; 39. a controller; 40. a cover; 41. a grip; 42. ventilation holes; 43. a first forward switch; 44. a first back-off switch; 45. a second forward switch; 46. a second back-off switch; 47. avoiding the groove.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, 2 and 3, the squeeze riveter with a transverse positioning platform disclosed in this embodiment includes a workbench 1 for horizontally placing sheet metal parts, a plurality of through holes 16 are distributed on the top surface of the workbench 1, a telescopic table 17 capable of moving up and down is arranged in the through holes 16, a ball groove 18 is formed in the upper end surface of the telescopic table 17, and balls 19 are clamped in the ball groove 18 in a rolling manner. The specific structure and principle of the up-and-down movement of the telescopic table 17 are disclosed in the patent of CN218639030U, and will not be described herein.
As shown in fig. 4 and 5, for convenience of description, two directions perpendicular to each other on the horizontal plane of the table 1 are defined as an x-axis direction and a y-axis direction, and specific orientations refer to the directions of the coordinate system in the drawings. The table 1 is provided with a first positioning mechanism 2 for defining a sheet metal part position in the x-axis direction and a second positioning mechanism 3 for defining a sheet metal part position in the y-axis direction. The first positioning mechanism 2 includes a first positioning rod 4 disposed above the workbench 1 along the y-axis direction to abut against the side edge of the sheet metal part through the rod body, and a first driving assembly 5 disposed on the workbench 1 to drive the first positioning rod 4 to advance or retract along the x-axis direction. The second positioning mechanism 3 comprises a second positioning rod 6 arranged on the first positioning rod 4 along the x-axis direction to abut against the side edge of the sheet metal part through the rod body, and a second driving assembly 7 arranged on the first positioning rod 4 to drive the second positioning rod 6 to advance or retreat along the y-axis direction.
As shown in fig. 4, in order to realize the transmission function of the first driving assembly 5, the first driving assembly 5 includes first driving blocks 8 respectively disposed at two ends of the first positioning rod 4, first screw rods 9 respectively disposed at two sides of the workbench 1 and respectively in threaded engagement with the two first driving blocks 8, and first power sources 10 for driving the first screw rods 9 to rotate circumferentially, wherein the first power sources 10 are preferably stepping motors, and output shafts of the first power sources are coaxially connected to the corresponding first screw rods 9. The high-precision power output can be realized, and the high synchronism of the two first power sources 10 can be realized, so that the stability and smoothness of the first positioning rod 4 during translation are improved. In this embodiment, when the first power source 10 drives the first screw rod 9 to rotate, the first screw rod 9 drives the first driving block 8 to translate along the x-axis direction.
As shown in fig. 5, in order to realize the transmission function of the second driving assembly 7, the second driving assembly 7 includes a second driving block 11 connected to the second positioning rod 6 and disposed above the first positioning rod 4, a dovetail guide rail 12 disposed above the first positioning rod 4 along the y-axis direction, a dovetail guide groove 13 formed at the bottom of the second driving block 11 and slidably engaged with the guide rail 12 so that the second driving block 11 can slidably move along the guide rail 12, a second screw rod 14 disposed above the first positioning rod 4 along the y-axis direction and threadedly engaged with the second driving block 11, and a second power source 15 disposed on the first positioning rod 4 so as to drive the second screw rod 14 to rotate circumferentially, wherein the second power source 15 is preferably a stepper motor, and the output shaft of the stepper motor is coaxially connected to the second screw rod 14, so that the high-precision power output is also provided, and stability and smoothness of the translation of the second positioning rod 6 are improved. In this embodiment, when the second power source 15 drives the second screw 14 to rotate, the second screw 14 drives the second driving block 11 to translate along the y-axis direction.
In order to prevent collision with the telescopic table 17 and the balls 19 when the first positioning rod 4 and the second positioning rod 6 translate, when the telescopic table 17 stretches out upwards, the tops of the balls 19 are located below the first positioning rod 4 and the second positioning rod 6, so that equipment safety is improved.
As shown in fig. 5 and 6, in order to prevent the sheet metal part from wearing down with the telescopic table 17, a plurality of lubrication assemblies 20 are provided at intervals along the respective length directions on one sides of the first positioning rod 4 and the second positioning rod 6 for abutting against the sheet metal part. Specifically, the lubrication assembly 20 includes a support block 21 disposed on the shaft of the first positioning rod 4 or the second positioning rod 6, a mounting groove 22 formed on one side of the support block 21 and used for abutting against the sheet metal part, and a flexible oil storage member 23 disposed in the mounting groove 22 and adsorbing the lubricant, wherein the flexible oil storage member 23 is preferably an oil absorption sponge, which can effectively adsorb the oily lubricant and release the lubricant when being extruded. One side of the flexible oil storage part 23, which is close to the sheet metal part, protrudes out of the side surface of the supporting block 21, which is close to the sheet metal part, so that the side edge of the sheet metal part is convenient to extrude, and the release efficiency of the lubricant is improved. In this embodiment, when the side edge of the sheet metal part horizontally placed on the workbench 1 abuts against the supporting block 21, the flexible oil storage part 23 abuts against the side edge of the sheet metal part and releases the lubricant so as to lubricate the side edge of the sheet metal part.
As shown in fig. 6, in order to improve the disassembly and assembly efficiency and the installation stability of the flexible oil storage member 23, a supporting rod 24 is inserted into the flexible oil storage member 23, and two ends of the supporting rod 24 respectively penetrate through two opposite side walls in the installation groove 22. When the flexible oil storage member 23 is detached, the support rod 24 is firstly pulled out from the flexible oil storage member 23 and the support block 21 so as to release the locking between the flexible oil storage member 23 and the mounting groove 22. The flexible oil reservoir 23 is then removed from the mounting groove 22. When a new flexible oil reservoir 23 is installed, the above-described disassembly steps are performed in reverse.
As shown in fig. 7, 8 and 9, in order to realize quantitative replenishment of the lubricant in the flexible oil storage member 23, an oil replenishing cavity 25 is transversely extended from one side of the mounting groove 22 away from the sheet metal member, an oil replenishing roller 26 is rotatably arranged in the oil replenishing cavity 25, the outer peripheral surface of the oil replenishing roller 26 is propped against one side of the flexible oil storage member 23 away from the sheet metal member, an oil storage box 27 for storing the lubricant is arranged on the upper surface of the support block 21 at a position corresponding to the oil replenishing cavity 25, a drainage tube 28 is extended downwards from the bottom of the oil storage box 27, a lower tube orifice of the drainage tube 28 is in sealing fit with the outer peripheral surface of the oil replenishing roller 26, a plurality of oil replenishing grooves 29 are distributed on the outer peripheral surface of the oil replenishing roller 26 and in the lower tube orifice of the drainage tube 28, and a third driving assembly 30 for driving the oil replenishing roller 26 to rotate circumferentially is arranged on the support block 21. In the present embodiment, when the oil replenishing groove 29 is located in the lower nozzle of the drain pipe 28, the lubricant in the oil reservoir tank 27 can be filled into the oil replenishing groove 29 through the drain pipe 28. When the third driving assembly 30 drives the oil replenishing roller 26 to rotate 90 degrees, so that the oil replenishing groove 29 is transferred from the lower pipe orifice of the drainage pipe 28 to a state of pressing against the flexible oil storage member 23, the lubricant filled in the oil replenishing groove 29 can be adsorbed by the flexible oil storage member 23, so as to replenish the flexible oil storage member 23 with the lubricant. When the third driving assembly 30 drives the oil compensating roller 26 to reset, the oil compensating groove 29 is transferred into the lower nozzle of the drainage tube 28 again, and the lower nozzle of the drainage tube 28 is sealed by the outer peripheral surface of the oil compensating roller 26 again.
As shown in fig. 6, in order to prevent foreign substances from entering the oil storage box 27 and to prevent lubricant in the oil storage box 27 from being spilled when the first positioning rod 4 and the second positioning rod 6 move, the upper opening of the oil storage box 27 is covered with a cover 40, and the upper surface of the cover 40 is provided with a grip 41. The cover 40 is provided with a plurality of ventilation holes 42, so that the lubricant in the oil storage box 27 can smoothly flow downwards along the drainage tube 28.
In this embodiment, as shown in fig. 7, the third driving assembly 30 includes a transmission shaft 31 coaxially connected to the oil compensating roller 26 and extending outside the supporting block 21, and a third power source 32 disposed on the upper surface of the supporting block 21, and the third power source 32 is also preferably a stepper motor. The power output end of the third power source 32 is connected to the transmission shaft 31 through a gear set 33 to realize power transmission. A sealing bearing (not shown) is arranged at the joint of the transmission shaft 31 and the supporting block 21, so that the smoothness of the transmission shaft 31 during rotation can be ensured, and the oil leakage phenomenon can be prevented.
As shown in fig. 7, 10 and 11, in order to improve the convenience of supplementing the lubricant, one side of the supporting block 21 away from the sheet metal part is abutted against the rod body of the first positioning rod 4 or the second positioning rod 6, both ends of the supporting block 21 are provided with guide holes 34, the rod body of the first positioning rod 4 or the second positioning rod 6 is provided with guide posts 35 respectively inserted into the two guide holes 34 in a sliding manner, and one end, close to the sheet metal part, of the guide posts 35 is provided with an anti-falling piece 36 for preventing the guide holes 34 from separating from the guide posts 35. One side of the supporting block 21 is provided with a pressing plate 37 which is abutted against the rod body of the first positioning rod 4 or the second positioning rod 6, the pressing surface of the pressing plate 37 is provided with a pressure sensor 38 for detecting the pressing force of the pressing plate 37 to output a pressure signal, and the pressure sensor 38 is preferably a pressure strain gauge, so that the pressure gauge has an ultrathin volume and higher pressure detection precision. The pressure sensor 38 is coupled to a controller 39 for receiving a pressure signal, and the controller 39 is preferably a single chip microcomputer or a PLC. The third power source 32 is coupled to and controlled by a controller 39, and a pressure threshold, a number threshold, and a reference time period are preset in the controller 39.
In this embodiment, when the pressure sensor 38 detects that the pressing force of the pressing plate 37 is greater than the pressure threshold, which indicates that the sheet metal part is pressed against the supporting block 21 corresponding to the pressing plate 37, the controller 39 counts once, and when the counted number is equal to the number threshold, the controller 39 controls the third power source 32 to operate, so that the third power source 32 drives the oil compensating roller 26 to rotate 90 ° through the gear set 33 and the transmission shaft 31, and the oil compensating tank 29 is transferred from the lower pipe orifice of the drainage pipe 28 to a state of pressing the flexible oil storage member 23. After the reference time period is delayed, the controller 39 controls the third power source 32 to reversely run, so that the third power source 32 drives the oil compensating roller 26 to reset through the gear set 33 and the transmission shaft 31, and the controller 39 empties the accumulated number and restarts counting.
As shown in fig. 1 and 11, in order to enhance the convenience of operation when the first and second positioning bars 4 and 6 translate, the side of the table 1 is provided with a first forward switch 43, a first backward switch 44, a second forward switch 45, and a second backward switch 46 coupled to the controller 39. When the first forward switch 43 is continuously pressed, the controller 39 controls the first power source 10 to operate in the forward direction to drive the first screw rod 9 to rotate in the forward direction, so as to drive the first driving block 8 and the first positioning rod 4 to advance along the x-axis direction. When the first retracting switch 44 is continuously pressed, the controller 39 controls the first power source 10 to reversely operate so as to drive the first screw rod 9 to reversely rotate, thereby driving the first driving block 8 and the first positioning rod 4 to retract along the x-axis direction. After releasing the first forward switch 43 or the first backward switch 44, the controller 39 can control the first power source 10 to stop operating, thereby allowing the first positioning rod 4 to hover at the current position.
Correspondingly, when the second forward switch 45 is continuously pressed, the controller 39 controls the second power source 15 to operate in the forward direction, so as to drive the second screw 14 to rotate in the forward direction, and thus drive the second driving block 11 and the second positioning rod 6 to advance along the y-axis direction. When the second retracting switch 46 is continuously pressed, the controller 39 controls the second power source 15 to reversely operate so as to drive the second screw 14 to reversely rotate, thereby driving the second driving block 11 and the second positioning rod 6 to retract along the y-axis direction. After releasing the second forward switch 45 or the second backward switch 46, the controller 39 can control the second power source 15 to stop operating, so that the second positioning rod 6 hovers at the current position.
As shown in fig. 6, in order to prevent the second positioning rod 6 from colliding with the lubrication assembly 20 on the first positioning rod 4 when translating, the shaft of the second positioning rod 6 is provided with a relief groove 47 through which the lubrication assembly 20 on the first positioning rod 4 passes.
The specific working principle is as follows:
when the sheet metal parts with the same specification are riveted, the sheet metal part template is firstly placed on the workbench 1, and then all the telescopic tables 17 are synchronously driven to exceed the upper table surface of the workbench 1, so that the rolling planes are formed above the workbench 1 by the balls 19 on all the telescopic tables 17, and the sheet metal part template placed on the workbench 1 can be easily and freely translated. In the translation process, staff needs to calibrate the hole site of the sheet metal part template. After the calibration is completed, the position of the first positioning rod 4 in the x-axis direction is adjusted by triggering the first forward switch 43 and the first backward switch 44 until the supporting block 21 on the first positioning rod 4 abuts against the side edge of the sheet metal part template. Correspondingly, the position of the second positioning rod 6 in the y-axis direction is adjusted by triggering the second forward switch 45 and the second backward switch 46 until the supporting block 21 on the second positioning rod 6 abuts against the other side edge of the sheet metal part template. After the positions of the first positioning rod 4 and the second positioning rod 6 are adjusted, the coordinate positioning of the first positioning mechanism 2 and the second positioning mechanism 3 can be completed.
Thereafter, when the sheet metal parts of the same specification are subjected to the press riveting operation, the sheet metal parts to be processed are horizontally placed on the workbench 1 only under the condition that the telescopic table 17 extends upwards. Then, with the help of the rolling plane that workstation 1 formed with the sheet metal component two sides support respectively on the supporting shoe 21 of first locating lever 4 and second locating lever 6 to accomplish the hole site calibration of waiting to process the sheet metal component voluntarily, thereby save frequent trouble to the hole, and then promote operating efficiency and to the hole precision. At this time, after the flexible oil storage member 23 on the supporting block 21 is pressed by the sheet metal member, the lubricant adsorbed inside is released to lubricate the contact portion between the side edge of the sheet metal member and the supporting block 21.
After the hole position calibration is completed, the telescopic table 17 and the ball 19 are controlled to synchronously retract into the through hole 16 again, so that the sheet metal part can be lowered to the upper table surface of the workbench 1, the horizontal position of the sheet metal part is limited by utilizing the dead weight of the sheet metal part, and the press riveting work can be smoothly completed. In the process, the lubricant can effectively reduce friction between the side edge of the sheet metal part and the supporting block 21, so that abrasion in the descending process of the sheet metal part is reduced.
After the riveting work is completed, the sheet metal part is lifted from the workbench 1 through the telescopic table 17 again, so that the sheet metal part is easily detached from the workbench 1 by means of the balls 19 on the telescopic table 17.
The oil storage box 27 on the supporting block 21 can store the standby lubricant, when the oil supplementing roller 26 is in a normal state, the oil supplementing groove 29 is positioned in the lower pipe orifice of the drainage pipe 28, and the standby lubricant in the oil storage box 27 can be filled into the oil supplementing groove 29 through the drainage pipe 28. Each time the side edge of the sheet metal part presses against the supporting block 21, the supporting block 21 can be pressed inwards under the sliding fit of the guide post 35 and the guide hole 34, so that the pressing plate 37 presses against the corresponding rod body of the first positioning rod 4 or the second positioning rod 6, and the pressure sensor 38 detects that the pressing force of the pressing plate 37 is greater than the pressure threshold value built in the controller 39. At this time, the controller 39 counts once, when the counted number is equal to the number threshold value built in the controller 39, the controller 39 controls the third power source 32 to operate, so that the third power source 32 drives the oil supplementing roller 26 to rotate 90 ° through the gear set 33 and the transmission shaft 31, and the oil supplementing groove 29 is transferred from the lower pipe orifice of the drainage pipe 28 to a state of pressing against the flexible oil storage member 23, so that the flexible oil storage member 23 absorbs the standby lubricant in the oil supplementing groove 29, the lubricant in the flexible oil storage member 23 is quantitatively supplemented, the lubricant in the flexible oil storage member 23 is prevented from being lost, and meanwhile, a large amount of lubricant is prevented from overflowing, thereby reducing waste. After the reference time of the time delay, the controller 39 controls the third power source 32 to reversely run, so that the third power source 32 drives the oil supplementing roller 26 to reset through the gear set 33 and the transmission shaft 31, and meanwhile, the controller 39 empties the accumulated number and restarts counting. When the oil compensating roller 26 is reset, the oil compensating groove 29 returns to the lower pipe orifice of the drainage pipe 28 again, so that the outer peripheral surface of the oil compensating roller 26 reseals the lower pipe orifice of the drainage pipe 28, thereby preventing the drainage pipe 28 from leaking oil.
When the lubricant in the oil storage box 27 is consumed, the cover 40 on the oil storage box 27 is opened by the holding piece 41, then new lubricant is added to the oil storage box 27, and finally the cover 40 is closed.
Claims (10)
1. The utility model provides a squeeze riveter with horizontal location platform, is including workstation (1) that are used for the level to place the sheet metal component, its characterized in that: two directions which are perpendicular to each other on the horizontal plane of the workbench (1) are respectively defined as an x-axis direction and a y-axis direction, and a first positioning mechanism (2) for limiting the position of the sheet metal part in the x-axis direction and a second positioning mechanism (3) for limiting the position of the sheet metal part in the y-axis direction are arranged on the workbench (1); the first positioning mechanism (2) comprises a first positioning rod (4) arranged above the workbench (1) along the y-axis direction so as to be abutted against the side edge of the sheet metal part through the rod body and a first driving assembly (5) arranged on the workbench (1) so as to drive the first positioning rod (4) to advance or retreat along the x-axis direction; the second positioning mechanism (3) comprises a second positioning rod (6) arranged on the first positioning rod (4) along the x-axis direction to be abutted against the side edge of the sheet metal part through the rod body and a second driving assembly (7) arranged on the first positioning rod (4) to drive the second positioning rod (6) to advance or retreat along the y-axis direction.
2. The squeeze riveter with a lateral positioning platform of claim 1, wherein: the first driving assembly (5) comprises first driving blocks (8) which are respectively arranged at two ends of the first positioning rod (4), first screw rods (9) which are respectively arranged at two sides of the workbench (1) and are respectively in threaded fit with the two first driving blocks (8), and first power sources (10) which drive the first screw rods (9) to rotate circumferentially, and when the first power sources (10) drive the first screw rods (9) to rotate, the first screw rods (9) drive the first driving blocks (8) to translate along the x-axis direction.
3. The squeeze riveter with a lateral positioning platform of claim 1, wherein: the second driving assembly (7) comprises a second driving block (11) connected to the second positioning rod (6) and arranged above the first positioning rod (4), a guide rail (12) arranged above the first positioning rod (4) along the y-axis direction, a guide groove (13) which is arranged at the bottom of the second driving block (11) and is in sliding clamping connection with the guide rail (12) so that the second driving block (11) can slide along the guide rail (12), a second lead screw (14) arranged above the first positioning rod (4) along the y-axis direction and in threaded fit with the second driving block (11), and a second power source (15) arranged on the first positioning rod (4) so as to drive the second lead screw (14) to rotate circumferentially, wherein when the second power source (15) drives the second lead screw (14) to translate along the y-axis direction, the second lead screw (14) drives the second driving block (11).
4. A riveter with a lateral positioning platform according to claim 1 or 2 or 3, characterized in that: a plurality of through holes (16) are distributed on the table top of the workbench (1), a telescopic table (17) capable of moving up and down is arranged in the through holes (16), a ball groove (18) is formed in the upper end face of the telescopic table (17), and balls (19) are clamped in the ball groove (18) in a rolling mode.
5. The riveter with a lateral positioning platform of claim 4, wherein: when the telescopic table (17) stretches out upwards, the top of the ball (19) is positioned below the first positioning rod (4) and the second positioning rod (6).
6. A riveter with a lateral positioning platform according to claim 1 or 2 or 3, characterized in that: the first positioning rod (4) and the second positioning rod (6) are used for abutting against one side of the sheet metal part, a plurality of lubricating assemblies (20) are arranged at intervals along the respective length direction, each lubricating assembly (20) comprises a supporting block (21) arranged on the rod body of the first positioning rod (4) or the second positioning rod (6), an installation groove (22) formed in the supporting block (21) and used for abutting against one side of the sheet metal part, and a flexible oil storage part (23) arranged in the installation groove (22) and used for adsorbing lubricant, and one side of the flexible oil storage part (23) close to the sheet metal part protrudes out of the side surface of the supporting block (21) close to the sheet metal part; when the side edge of the sheet metal part horizontally placed on the workbench (1) abuts against the supporting block (21), the flexible oil storage part (23) abuts against the side edge of the sheet metal part and releases the lubricant so as to lubricate the side edge of the sheet metal part.
7. The riveter with a lateral positioning platform of claim 6, wherein: the flexible oil storage part (23) is internally inserted with a supporting rod (24), and two ends of the supporting rod (24) respectively penetrate through two opposite side walls in the mounting groove (22).
8. The riveter with a lateral positioning platform of claim 6, wherein: an oil supplementing cavity (25) is transversely formed in one side, far away from the sheet metal part, of the mounting groove (22), an oil supplementing roller (26) is rotationally arranged in the oil supplementing cavity (25), the outer peripheral surface of the oil supplementing roller (26) is propped against one side, far away from the sheet metal part, of the flexible oil storage part (23), an oil storage box (27) for storing lubricant is arranged on the upper surface of the support block (21) at a position corresponding to the oil supplementing cavity (25), a drainage tube (28) is downwards extended at the bottom of the oil storage box (27), a lower pipe orifice of the drainage tube (28) is in sealing fit with the outer peripheral surface of the oil supplementing roller (26), oil supplementing grooves (29) are distributed on the outer peripheral surface of the oil supplementing roller (26) and in the lower pipe orifice of the drainage tube (28), and a third driving assembly (30) for driving the oil supplementing roller (26) to circumferentially rotate is arranged on the support block (21).
When the oil supplementing groove (29) is positioned in the lower pipe orifice of the drainage pipe (28), the lubricant in the oil storage box (27) can be filled into the oil supplementing groove (29) through the drainage pipe (28); when the third driving assembly (30) drives the oil supplementing roller (26) to rotate by 90 degrees so that the oil supplementing groove (29) is transferred from the lower pipe orifice of the drainage pipe (28) to a state of pressing against the flexible oil storage piece (23), the lubricant filled in the oil supplementing groove (29) can be adsorbed by the flexible oil storage piece (23) to supplement the lubricant to the flexible oil storage piece (23); when the third driving assembly (30) drives the oil supplementing roller (26) to reset, the oil supplementing groove (29) is transferred into the lower pipe orifice of the drainage pipe (28) again, and the lower pipe orifice of the drainage pipe (28) is sealed by the peripheral surface of the oil supplementing roller (26) again.
9. The squeeze riveter with a lateral positioning platform of claim 8, wherein: the third driving assembly (30) comprises a transmission shaft (31) coaxially connected to the oil supplementing roller (26) and extending outside the supporting block (21), and a third power source (32) arranged on the upper surface of the supporting block (21), wherein the power output end of the third power source (32) is connected with the transmission shaft (31) through a gear set (33).
10. The squeeze riveter with a lateral positioning platform of claim 9, wherein: one side of the supporting block (21) far away from the sheet metal part is abutted against the rod body of the first positioning rod (4) or the second positioning rod (6), guide holes (34) are formed in two ends of the supporting block (21), the rod body of the first positioning rod (4) or the second positioning rod (6) is provided with guide posts (35) which are respectively inserted into the two guide holes (34) in a sliding manner, one end of the guide posts (35) close to the sheet metal part is provided with an anti-falling piece (36) for preventing the guide holes (34) from separating from the guide posts (35), one side of the supporting block (21) is provided with a pressing plate (37) abutted against the rod body of the first positioning rod (4) or the second positioning rod (6), a pressing surface of the pressing plate (37) is provided with a pressure sensor (38) for detecting pressing force of the pressing plate (37) to output a pressure signal, the pressure sensor (38) is coupled with a controller (39) for receiving the pressure signal, the third power source (32) is coupled with and controlled by the controller (39), and the number of the pressure sensor is preset in the controller (39) and the reference threshold time length is prolonged;
when the pressure sensor (38) detects that the pressing force of the corresponding pressing plate (37) is larger than a pressure threshold, the controller (39) counts once, and when the counted quantity is equal to the quantity threshold, the controller (39) controls the third power source (32) to operate so that the third power source (32) drives the oil supplementing roller (26) to rotate 90 degrees through the gear set (33) and the transmission shaft (31), and the oil supplementing groove (29) is transferred from the lower pipe orifice of the drainage pipe (28) to a state of pressing the flexible oil storage piece (23); after the reference time length is delayed, the controller (39) controls the third power source (32) to reversely run so that the third power source (32) drives the oil supplementing roller (26) to reset through the gear set (33) and the transmission shaft (31), and meanwhile the controller (39) empties the accumulated number and restarts counting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311831781.4A CN117463938B (en) | 2023-12-28 | Squeeze riveter with transverse positioning platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311831781.4A CN117463938B (en) | 2023-12-28 | Squeeze riveter with transverse positioning platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117463938A true CN117463938A (en) | 2024-01-30 |
| CN117463938B CN117463938B (en) | 2024-05-14 |
Family
ID=
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